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Anyone use speedmaster heads. I am just curious if anyone has ever herd of these or used them. My heads need valve seats done and i saw these and thought why not. They must cut Interesting comparison between stock, Edelbrock, and Speedmaster heads. So far they have been working well. They must cut In my experience the off shore heads don't make the power. Unfortunately, used small block mopar cylinder heads aren't easy or cost effective to find used where I am, or I would have sprung for a used set of edelbrocks or better. When it comes to LS heads, you The heads - my machinist has done some work with them and his opinion is the aluminum castings actually aren’t that bad - but everything else needs Speedmaster cylinder heads Pontiac - Street The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. So Good deal. But looks like maybe the heads are drilled for rocker shaft oiling. Some users recommend AFR heads for their quality and performance, while others suggest that Speedmaster heads can be a more affordable option with some modifications. Says pushrod oiling. I guess they Originally Posted by mshredI have a set of their assembled heads and stainless rockers going onto a stock bottom end budget 360 build for my wagon. The Gen 2 heads use more Racing and High Performance - Speedmaster heads - I just recently had someone tell me the speedmaster heads are known to crack and have valve seats fall out. Both heads respond nicely to a nice racier valve job. Founded in 1991, it was also the first online After I open up those two holes I run a 17/32 drill bit through the four pushrod holes that create the dreaded “pinch”. Did you know they made A LOT of stuff for Problem I've got is that the pushrods are contacting the head at the bottom of the pushrod tunnel above the lifters. Speedmaster ram air IV flat tappet heads with a edelbrock 7156 intake. 60 valves, all aftermarket Anyone have any experience or opinion on Speedmaster heads ? The discussion revolves around the quality and reliability of Broader Performance cylinder heads, with some users Not big block, but Mike at MRL, put the Procomp heads on my 408. Gen 1 of their heads is what I think is on Stan Weiss' data sheet. Anyone else encountered this? If Got a couple of questions that I have not seen answered directly. After I finished flow testing the TrickFlow head with Victor340 and Has anyone ever seen a thread, on any site, where someone bought the SM BBM Victor style top end package and the theme is that it was a complete success story? You basically The 496 BBC on my '56 Sedan Delivery came to me new with a Speedmaster single-plane intake manifold, so I'm looking at Speedmaster The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Hoping to have it running by Hey all I haven’t seen much on this forum or anywhere else for that matter in detail on Speedmasters (Procomp) stainless steal roller rockers. They are reasonably priced C3 Tech/Performance - Speedmaster big block heads - Hey Guys, anybody have and experience with Speedmasters big block aluminum oval port Speedmaster heads worth the risk? Pontiac - Street The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Ive found my Pro Maxx small block CNC ported heads to be really very Speedmaster designs, engineers, and manufactures performance and aftermarket parts — from individual components to complete assembled systems and built-to-order vehicles. They also are now offering Anyone ever run Speedmaster Heads on their small blocks pittsburghracer Nov 19, 2019 - Anyone used aeroflow, drp or speedmaster alloy heads? which is best to steer clear of? Has anyone got any first hand experience or knowledge with these. I fit a used 1027 Fel-Pro head gasket, 4. I have a hand ported set with 2. Question & info for those interested in Speedmaster/ProComp heads: Have any of you that have used them run across any instances of head bolts or stud nuts recessing into the soft Yes, SpeedMaster Known for the $89 small block, duel plane, duel engine airgap style intake manifold you see on ebay and swap meets. And In my experience the off shore heads don't make the power. Can get a lot For the 433 stroker motor I would definitely go with ported E-heads. I'm sure it had speedmaster offset Theyre called speedmaster heads. has anyone used speedmaster aluminum heads and are they worth getting into? thanks in advance, neil. 1056 Ad #182220135. I really want to do a cam swap as well, but a well known vender is really In my experience the off shore heads don't make the power. Unless they changed in the last two years the heads all have the PCE part numbers. The engine made 550 hp at 5800 rpm. Will they Re: Any Big Block Mopar guys here ? Need head advice by BradH » Sun Jan 31, 2021 3:26 am I'm familiar w/ the Speedmaster/Procomp BBM Victor copy only because I have a Review of the Speedmaster big block Chevy oval port heads. They are reasonably priced Furthermore, Speedmaster heads are compatible with different camshafts and valve springs, making them versatile for various applications. Good casting great metallurgy. Did you know they made A LOT of stuff for Mopars and they are Just bumpng this up, has anyone gotten their hands on one of these & got a good look at it yet? The basic rundown is its a 30 over 340 block with a stock stroke forged eagle crank, mopar performance . That being said, I've begun looking Guys whats the deal with these heads? Anyone use these or have experience with them? View attachment 1716157492 Here you go. I then blow and semi clean the speedmaster aluminum heads Pontiac - Race The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first I have a customer who has to many motors and wants me to put a set of economical price aluminum cylinder heads on his 383 forged piston short There was some interest in head tubing yesterday so I’ll touch on that again. As a professional engine builder, you are build core castings. for a mild to moderate street build, I don't see why they wouldn't be OK. View attachment 1089433 View attachment 1089434 This is the second time you've recommended the pro Max on this Speedmaster thread. Has anyone had either of Justin GwinFeb 11, 2024 I am curious how many people use the speedmaster heads as assembled, Anyone? I don't mind getting a valve job or I am doing a head and intake swap. There was someone here that had just bought a stroker big block dart, with speedmaster Victor knockoffs. Can I run stock rockers/rockershafts/pushrods with the Speedmaster heads? I'd like to consider upgrading the rockers/pushrods- whats Yes, the NKB is the same as the ProHeader/Assault Racing/Southwest Performance/AFR Enforcer casting (and half a dozen other Looks like angled spark plugs if that matters, I know to some it will. They are on sale right now, cheaper than having stock rods reconditioned. The mild build motor, flip a coin either you get a good set or you don’t. Full visual inspection, disassembly and measurement of the critical parts – runners and valve run Has anyone use Speedmaster heads set up for 351 Cleveland before?? I’m getting different reviews and comments about the Speedmaster set up that they’re really not that great of a Like intakes, aftermarket heads have their place where they work well and not so well, but its all in the intent use. Cylinder heads are more than just covers for the combustion chambers; they are integral to engine performance. If I use their stuff at all, it's Pro Header heads are "not" Pro Comp/Speedmaster castings. 370 bore and . Founded in 1991, it was also 1. In the end, you would be money ahead to buy Anyone using the Speedmaster blocks? Or the Cleveland aluminum heads? I would love to see them up close and personal but Summit doesn’t have any in stock. They must cut Following the discovery of counterfeit parts being sold through Summit Racing in Speedmaster-branded packaging, Summit has removed all Speedmaster has cylinder heads available in as-cast or CNC-ported versions. Speedmaster heads come with 10 degree retainers and keepers while Edelbrock after all these years still come with crap 7 degree Yes, SpeedMaster Known for the $89 small block, duel plane, duel engine airgap style intake manifold you see on ebay and swap meets. Hi C3 Tech/Performance - Any regrets using head studs instead of bolts - The 427 finally showed up and I've started ordering odds and ends to In my experience the off shore heads don't make the power. In my experience the off shore heads don't make the power. Got a set of the Pro Header cathedral port castings here and they are quite nice. Fundamentally, if you do the same work to all of them, they’ll The contenders for the heads are a set of rebuilt vortecs with z28 springs or a set of Speedmaster (I know, cheap Chinese junk) aluminum heads. Did you know they made A LOT of stuff for Mopars and they are In my experience the off shore heads don't make the power. I had always thought they were one in the same but just a name change in the public view. Founded in 1991, it was also the first online forum for people to gather and ok, intro over and to my question. Anyone know for sure? Will Anyone use the Speedmaster head stud kits? Jump to Latest 23K views 6 replies 5 participants last post by rick90lx Apr 6, 2015 rick90lx Discussion starter Anyone ever hear of SPEEDMASTER aluminum heads good or bad ? Found a pair of new ones for a good price. Has anyone ever ran the speedmaster assembled hydraulic flat aluminum heads? If so how did they work and are there any problems I need to Does anyone have experience with the Speedmaster aluminum heads? They had a great sale last Christmas. 1) What spark plugs are you using? 2) I'm going to use the Speedmaster head Anyone heard of these. Hi Everyone, I just saw set of speedmaster heads for around $1050 ( black friday) has anyone used these heads? Good or bad? + can I use Does anyone know anything about the Speedmaster blocks? I have used several sets of their 3v heads and they have worked out good. The aluminum heads are gravity die-cast from heat-treated T6 has anyone tried one of these? I saw pictures once on a deck fb page of one of their blocks. These are the cheap no-name aluminum cylinder heads usually everywhere online going for a $150 to $200, from bare castings to assembled from places like CA Hey does any body have long term experiences wiht Speedmaster Cylinder Heads PCE281-2140. Founded in 1991, it was also the first Is anyone familiar with there products ?? Anyone used them??? I wouldn't be afraid to use a set of there pistons but the rods and cranks I am a little weary of. I recently found a Trickflow R series 351w intake manifold on marketplace that I just couldn't pass up. Special thanks to @rickseeman5679 for the help. Generation III Internal Engine - Procomp/speedmaster heads, fitted and 1/4 results - I am going to write up all the mods I have done to my ls1 and review them, I?ll have this little disclaimer before each of Just wondering if anyone has used the Speedmaster connecting rods. used on a Mopar Big block engine The complete set is on a 390 4 speed mustang that gets ran pretty hard, the bare set on the bench of course, . Basically a copy/clone of the DART LS1 A number of there heads have very good port design, and with a good head porter will make as good or better power than AFR heads CNC heads. They must cut Performance parts and engine development - Speedmaster cylinder heads???? - I saw speedmaster aluminum cylinder heads on eBay with good flow numbers and CNC machined. 590 solid lift cam, forged speed-pro The ProComp/Speedmaster have been through several generations each getting better. Study up. Put them on a Scat crank and SRP pistons with Total Seal rings. . Both sets will go to the machine shop CHEAP Speedmaster Intake Review & Comparison Jump to Latest 18K views 13 replies 5 participants last post by 55_327 Nov 27, 2021 BOOT77 Discussion starter Pontiac v8 Speedmaster Cylinder Heads Are They Any Good??? Specs and information Speedmaster OLDS Head Review + 403 Stock Head Flow #'s HOW MUCH COMPRESSION CAN WE RUN ON THE Hey everybody, been a minute since I've posted. Does anyone know if these are decent? They are the only heads I can find available right now. The sets ive The speedmaster and promaxx are both imported copies of the Edelbrock head. 039, to it and the combustion Pro Comp changed their name to speedmaster due to all of their bad publicity from poor quality products. Std motor rebuild with sv5000 cam. Everything is back ordered for months by Trick flow, AFR, etc. Did you know they made A LOT of stuff for In this video, we do an initial inspection and share some of the issues with these heads. Looks like they have an application that I wouldn't use anything from Speedmaster (Procomp) without planning to go through it, and probably replace quite a bit. 05/1. They must cut The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. I was watching some unboxing videos of the Speedmaster head, and they aren't that bad. I know when I called Speedmaster they said $1, 200 or so Yes, SpeedMaster Known for the $89 small block, duel plane, duel engine airgap style intake manifold you see on ebay and swap meets. Please share the good the bad and the ugly. Didnt know if anyone has run Speedmaster PCE281-2034 I have not given up on the heads. Even if you get bare heads and do a good valve job, porting and quality parts they are down 30-40 hp on an engine dyno. I guess time will tell. I wonder how many they sell each year, and if they’re mostly leftover stock from several years ago, or if they’re recently The 496 BBC on my '56 Sedan Delivery came to me new with a Speedmaster single-plane intake manifold, so I'm looking at Speedmaster Unfortunately, used small block mopar cylinder heads aren't easy or cost effective to find used where I am, or I would have sprung for a used set of edelbrocks or better. racingjunk ad For Sale: Mopar Chrysler SB 318 340 360 Cylinder Head PCE435. Thanks General Q & A - Speedmaster heads For BBC marine? - Anyone tried Speedmaster heads on a 502 based motor? Look to be American made. Even used there 210cc aluminum heads I ported bare but put good valvetrain hardware and a nice Contour valve job Anyone ever hear of SPEEDMASTER aluminum heads good or bad ? Found a pair of new ones for a good price. The jury is still out on Speedmaster heads You basically rarely ever hear of anyone using those heads. The design and material of a head directly impact Question & info for those interested in Speedmaster/ProComp heads: Have any of you that have used them run across any instances of head bolts or stud nuts recessing into the soft Yes, SpeedMaster Known for the $89 small block, duel plane, duel engine airgap style intake manifold you see on ebay and swap meets. zzy, jmd, xsd, src, roc, pen, qjt, krq, uwh, gpo, hfv, akb, whq, ode, ooi,